David Cowell

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Webster, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
High voltage protection circuit for x-ray systems
- Patent number 4,408,247
- Issue date Oct 4, 1983
- Sybron Corporation
- David Cowell
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power supply for triode x-ray tubes
- Patent number 4,378,501
- Issue date Mar 29, 1983
- Sybron Corporation
- David Cowell
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Preheat circuit for X-ray tubes
- Patent number 4,191,889
- Issue date Mar 4, 1980
- Sybron Corporation
- David Cowell
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
X-ray detector for a panoramic X-ray device
- Patent number 3,932,756
- Issue date Jan 13, 1976
- Sybron Corporation
- David Cowell
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE